AirHint found the following cheapest return flights from Miami (MIA) to Keflavik (KEF) in May 2026 (see full year).
Return flights
| 05 May - 12 May | SWISS | ||
| 01 May - 08 May | British Airways | ||
| 19 May - 13 Jun | SWISS | ||
| 11 May - 18 May | Delta | ||
| 01 May - 23 May | Iberia | ||
| 18 May - 13 Jun | United | ||
| 27 May - 05 Jun | United |
Also check the deals for one-way flights from Miami to Keflavik in May.
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